/**
 * Software License, Version 1.0
 * 
 * Copyright 2003 The Trustees of Indiana University.  All rights reserved.
 * 
 *
 *Redistribution and use in source and binary forms, with or without 
 *modification, are permitted provided that the following conditions are met:
 *
 *1) All redistributions of source code must retain the above copyright notice,
 * the list of authors in the original source code, this list of conditions and
 * the disclaimer listed in this license;
 *2) All redistributions in binary form must reproduce the above copyright 
 * notice, this list of conditions and the disclaimer listed in this license in
 * the documentation and/or other materials provided with the distribution;
 *3) Any documentation included with all redistributions must include the 
 * following acknowledgement:
 *
 *"This product includes software developed by the Community Grids Lab. For 
 * further information contact the Community Grids Lab at 
 * http://communitygrids.iu.edu/."
 *
 * Alternatively, this acknowledgement may appear in the software itself, and 
 * wherever such third-party acknowledgments normally appear.
 * 
 *4) The name Indiana University or Community Grids Lab or NaradaBrokering, 
 * shall not be used to endorse or promote products derived from this software 
 * without prior written permission from Indiana University.  For written 
 * permission, please contact the Advanced Research and Technology Institute 
 * ("ARTI") at 351 West 10th Street, Indianapolis, Indiana 46202.
 *5) Products derived from this software may not be called NaradaBrokering, 
 * nor may Indiana University or Community Grids Lab or NaradaBrokering appear
 * in their name, without prior written permission of ARTI.
 * 
 *
 * Indiana University provides no reassurances that the source code provided 
 * does not infringe the patent or any other intellectual property rights of 
 * any other entity.  Indiana University disclaims any liability to any 
 * recipient for claims brought by any other entity based on infringement of 
 * intellectual property rights or otherwise.  
 *
 *LICENSEE UNDERSTANDS THAT SOFTWARE IS PROVIDED "AS IS" FOR WHICH NO 
 *WARRANTIES AS TO CAPABILITIES OR ACCURACY ARE MADE. INDIANA UNIVERSITY GIVES
 *NO WARRANTIES AND MAKES NO REPRESENTATION THAT SOFTWARE IS FREE OF 
 *INFRINGEMENT OF THIRD PARTY PATENT, COPYRIGHT, OR OTHER PROPRIETARY RIGHTS. 
 *INDIANA UNIVERSITY MAKES NO WARRANTIES THAT SOFTWARE IS FREE FROM "BUGS", 
 *"VIRUSES", "TROJAN HORSES", "TRAP DOORS", "WORMS", OR OTHER HARMFUL CODE.  
 *LICENSEE ASSUMES THE ENTIRE RISK AS TO THE PERFORMANCE OF SOFTWARE AND/OR 
 *ASSOCIATED MATERIALS, AND TO THE PERFORMANCE AND VALIDITY OF INFORMATION 
 *GENERATED USING SOFTWARE.
 */
package cgl.narada.service.storage.file;


import java.io.File;

import cgl.narada.service.ServiceException;
import cgl.narada.util.logging.Logger;
import cgl.narada.util.logging.LoggerFactory;

import com.coyotegulch.jisp.BTreeIndex;
import com.coyotegulch.jisp.IndexedObjectDatabase;

/**
 * This class manage creating and droping individual tables.
 * 
 */
public class ManageDB {

    final static Logger log =
        LoggerFactory.getLogger(ManageDB.class.getName());   

    private static final String sep = BuildDB.sep;
    
    /**
     * Directory in which all the database data and index files are contained.
     */
    private static String dir       = BuildDB.dir;

    static {
	if (dir.endsWith(sep)) dir = dir.substring(0, dir.length()-1);
    }
    IndexedObjectDatabase invDB,entDB,profDB,tempDB,entTempDB,entInvDB;
    BTreeIndex invIndex,invIndex2, entIndex,profIndex;
    BTreeIndex tempIndex,entTempIndex,entInvIndex;
    
    public void dropEntity() {
	File data = new File(BuildDB.ENTITY_DB);
	if (data.exists())  data.delete();
	File index = new File(BuildDB.ENTITY_INDEX);
	if (index.exists()) index.delete();	    
    }

    public void dropProfile() {
	File data = new File(BuildDB.PROFILE_DB);
	if (data.exists())  data.delete();
	File index = new File(BuildDB.PROFILE_INDEX);
	if (index.exists()) index.delete(); 
    }

    public void dropTemplate() {
	File data = new File(BuildDB.TEMPLATE_DB);
	if (data.exists())  data.delete();
	File index = new File(BuildDB.TEMPLATE_INDEX);
	if (index.exists()) index.delete(); 
    }

    public void dropInventory() {
	File data = new File(BuildDB.INVENTORY_DB);
	if (data.exists())  data.delete();

	File index = new File(BuildDB.INVENTORY_INDEX);
	if (index.exists()) index.delete(); 
	File index2 = new File(BuildDB.INVENTORY2_INDEX);
	if (index2.exists()) index2.delete(); 
    }

    public void dropEntityTemplate() {
	File data = new File(BuildDB.ENTITY_TEMPLATE_DB);
	if (data.exists())  data.delete();
	File index = new File(BuildDB.ENTITY_TEMPLATE_INDEX);
	if (index.exists()) index.delete(); 
    }

    public void dropEntityInventory() {
	File data = new File(BuildDB.ENTITY_INVENTORY_DB);
	if (data.exists())  data.delete();
	File index = new File(BuildDB.ENTITY_INVENTORY_INDEX);
	if (index.exists()) index.delete(); 
    }

    public void createEntity() {
	try {
	    if(!new File(BuildDB.ENTITY_DB).exists() 
	       && !new File(BuildDB.ENTITY_INDEX).exists() ) {
		entDB=new IndexedObjectDatabase(BuildDB.ENTITY_DB, true);
		entIndex=new BTreeIndex(BuildDB.ENTITY_INDEX, 7, 
					new EntityKey(), false);
	    } else if(new File(BuildDB.ENTITY_DB).exists() 
		      && new File(BuildDB.ENTITY_INDEX).exists() ) {
	    } else throw new ServiceException("data/index file not both exist");
	} catch (Exception e) { e.printStackTrace(); }
    }

    public void createProfile() {
	try {
	    if(!new File(BuildDB.PROFILE_DB).exists() 
	       && !new File(BuildDB.PROFILE_INDEX).exists()) {
		profDB=new IndexedObjectDatabase(BuildDB.PROFILE_DB, true);
		profIndex=new BTreeIndex(BuildDB.PROFILE_INDEX, 7, 
					 new ProfileKey(), false);
	    } else if(new File(BuildDB.PROFILE_DB).exists() 
		      && new File(BuildDB.PROFILE_INDEX).exists()) {
	    } else throw new ServiceException("data/index file not both exist");
	} catch (Exception e) { e.printStackTrace(); }

    }

    public void createTemplate() {
	try {
	    if(!new File(BuildDB.TEMPLATE_DB).exists() 
	       && !new File(BuildDB.TEMPLATE_INDEX).exists()) {
		tempDB=new IndexedObjectDatabase(BuildDB.TEMPLATE_DB, true);
		tempIndex=new BTreeIndex(BuildDB.TEMPLATE_INDEX, 7, 
					 new TemplateKey(), false);
	    } else if(new File(BuildDB.TEMPLATE_DB).exists() 
		      && new File(BuildDB.TEMPLATE_INDEX).exists()) {
	    }
	} catch (Exception e) {e.printStackTrace();}
    }
    
    public void createInventory() {
	try {
	    if(!new File(BuildDB.INVENTORY_DB).exists()
	       && !new File(BuildDB.INVENTORY_INDEX).exists()) {
		invDB=new IndexedObjectDatabase(BuildDB.INVENTORY_DB, true);
		invIndex=new BTreeIndex(BuildDB.INVENTORY_INDEX, 47, 
					new InventoryKey(), false);
		invIndex2=new BTreeIndex(BuildDB.INVENTORY2_INDEX, 47, 
					 new InventoryKey2(), false);
	    } else if(new File(BuildDB.INVENTORY_DB).exists() 
		      && new File(BuildDB.INVENTORY_INDEX).exists()) {
		//do nothing here
	    } else throw new ServiceException("data/index file not both exist");
	} catch (Exception e) {e.printStackTrace(); }
	
    }

    public void createEntityTemplate() {
	try {
	    if(!new File(BuildDB.ENTITY_TEMPLATE_DB).exists() 
	       && !new File(BuildDB.ENTITY_TEMPLATE_INDEX).exists() ) {
		entTempDB=new IndexedObjectDatabase(BuildDB.ENTITY_TEMPLATE_DB, true);
		entTempIndex=new BTreeIndex(BuildDB.ENTITY_TEMPLATE_INDEX, 13, 
					    new EntityTemplateKey(), false);
	    } else if(new File(BuildDB.ENTITY_TEMPLATE_DB).exists() 
		      && new File(BuildDB.ENTITY_TEMPLATE_INDEX).exists() ) {
	    } else throw new ServiceException("data/index file not both exist");
	} catch (Exception e) {e.printStackTrace();}
    }

    public void createEntityInventory() {
	try {
	    if(!new File(BuildDB.ENTITY_INVENTORY_DB).exists() 
	       && !new File(BuildDB.ENTITY_INVENTORY_INDEX).exists()) {
		entInvDB=new IndexedObjectDatabase(BuildDB.ENTITY_INVENTORY_DB, true);
		entInvIndex=new BTreeIndex(BuildDB.ENTITY_INVENTORY_INDEX, 47, 
					       new EntityInventoryKey(), false);
	    } else if(new File(BuildDB.ENTITY_INVENTORY_DB).exists() 
		      && new File(BuildDB.ENTITY_INVENTORY_INDEX).exists()) {
	    } else throw new ServiceException("data/index file not both exist");
	} catch (Exception e) {e.printStackTrace();}
    }

}
